Electrochemical Performance of Nickel Hydroxide/Activated Carbon Supercapacitors Using a Modified Polyvinyl Alcohol Based Alkaline Polymer Electrolyte

孙紫红; 袁安保

doi:10.1016/S1004-9541(09)60047-1

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Electrochemical Performance of Nickel Hydroxide/Activated Carbon Supercapacitors Using a Modified Polyvinyl Alcohol Based Alkaline Polymer Electrolyte

Updated：2026-01-06

- Electrochemical Performance of Nickel Hydroxide/Activated Carbon Supercapacitors Using a Modified Polyvinyl Alcohol Based Alkaline Polymer Electrolyte
- Chinese Journal of Chemical Engineering Vol. 17, Issue 1, Pages: 150-155(2009)
- Affiliations：
  
  Department of Chemistry, College of Sciences, Shanghai University,Shanghai,China,200444
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(09)60047-1
  CLC：
- Published：2009
- Accepted：
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SUN Zihong, YUAN Anbao. Electrochemical Performance of Nickel Hydroxide/Activated Carbon Supercapacitors Using a Modified Polyvinyl Alcohol Based Alkaline Polymer Electrolyte[J]. , 2009, 17(1): 150-155.
DOI：

SUN Zihong, YUAN Anbao. Electrochemical Performance of Nickel Hydroxide/Activated Carbon Supercapacitors Using a Modified Polyvinyl Alcohol Based Alkaline Polymer Electrolyte[J]. , 2009, 17(1): 150-155. DOI： 10.1016/S1004-9541(09)60047-1.

摘要

Polyvinyl alcohol(PVA)-sodium polyacrylate(PAAS)-KOH-H

O alkaline polymer electrolyte film with high ionic conductivity was prepared by a solution-casting method.Polymer Ni(OH)

/activated carbon(AC) hybrid supercapacitors with different electrode active material mass ratios(positive to negative) were fabricated using this alkaline polymer electrolyte

nickel hydroxide po

sitive electrodes

and AC negative electrodes.Galvanostatic charge/discharge and electrochemical impedance spectroscopy(EIS) methods were used to study the electrochemical performance of the capacitors

such as charge/discharge specific capacitance

rate charge/discharge ability

and charge/discharge cyclic stability.Experimental results showed that with the decreasing of active material mass ratio

(Ni(OH)

(AC)

the charge/discharge specific capacitance increases

but the rate charge/discharge ability and the charge/discharge cyclic stability decrease.

Abstract

Polyvinyl alcohol(PVA)-sodium polyacrylate(PAAS)-KOH-H

O alkaline polymer electrolyte film with high ionic conductivity was prepared by a solution-casting method.Polymer Ni(OH)

/activated carbon(AC) hybrid supercapacitors with different electrode active material mass ratios(positive to negative) were fabricated using this alkaline polymer electrolyte

nickel hydroxide positive electrodes

and AC negative electrodes.Galvanostatic charge/discharge and electrochemical impedance spectroscopy(EIS) methods were used to study the electrochemical performance of the capacitors

such as charge/discharge specific capacitance

rate charge/discharge ability

and charge/discharge cyclic stability.Experimental results showed that with the decreasing of active material mass ratio

(Ni(OH)

(AC)

the charge/discharge specific capacitance increases

but the rate charge/discharge ability and the charge/discharge cyclic stability decrease.

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